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Sep 16, 2010 7:00pm PDT
lenses. zirconium can be sourced more easily than cerium, which is the rare earth metal that's now being used for polishing. the researchers also found that the new technology with zirconium will make polishing more efficient rather than with cerium. this will cut metal usage by 40%. the research team plans to put the technology into practical use in about two years. >>> the u.s. is criticizing china and japan over their currency policies. treasury secretary timothy geithner said china is too slow in letting the yuan go higher while lawmakers oppose japan's currency intervention. the senate and the house of representatives invited geithner to the hearings on china's industrial policy on thursday. lawmakers were critical of china because the chinese currency has risen only a little over the past three months. that's despite china's announcement in june that it would raise currency flexibility to push the reforms in its exchange rate spichl system. >> the pace of appreciation has been too slow, and the extent of appreciation too limited. and we are examining the important question of what
Search Results 0 to 0 of about 1